13140855 has 48 divisors (see below), whose sum is σ = 28042560. Its totient is φ = 5543424.

The previous prime is 13140851. The next prime is 13140859. The reversal of 13140855 is 55804131.

13140855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13140851) and next prime (13140859).

It is not a de Polignac number, because 13140855 - 2² = 13140851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2491 + ... + 5699.

It is an arithmetic number, because the mean of its divisors is an integer number (584220).

Almost surely, 2^13140855 is an apocalyptic number.

13140855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13140855 is an abundant number, since it is smaller than the sum of its proper divisors (14901705).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13140855 is a wasteful number, since it uses less digits than its factorization.

13140855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240 (or 3237 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 13140855 is about 3625.0317239991. The cubic root of 13140855 is about 235.9796437005.

Adding to 13140855 its reverse (55804131), we get a palindrome (68944986).

The spelling of 13140855 in words is "thirteen million, one hundred forty thousand, eight hundred fifty-five".